JVC AV-21LTG1, AV-21DM10 Troubleshooting, Important Review all the instructions in this manual

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Troubleshooting

Important: Review all the instructions in this manual.

Problem

Check/Action

Cannot turn TV on

Press the Main power button (see p.5).

 

Insert the power plug in an AC outlet.

No picture nor sound

Press the TV/VIDEO button to select the correct mode (see p.9).

 

Check the aerial connections.

Remote control inoperable

Replace the batteries (see p.5).

 

Insert the batteries correctly.

Buttons on front of TV do

Is the Child Lock function ON ? (see p.14).

not work

 

The TV turns on suddenly

The TV will automatically turn on when the On Timer is

 

operated (see p.13).

The TV turns off suddenly

The TV will automatically turn off in the following cases.

 

• When the Off Timer or Auto Shutoff is operated (see p.11

 

and p.14).

 

• When no operations are made within approximately two hours

 

after the TV was turned on with the On Timer (see p.13).

Abnormal sound

Select the appropriate sound system (see p.10).

Abnormal colour

Adjust the colour and brightness (see p.15).

 

Select the appropriate colour system (see p.10).

 

Set the Picture mode to STANDARD (see p.10).

Lines or streaks in picture

Move the components apart until the interference disappears.

(interference)

Reposition the aerial.

Spotted picture (crosstalk)

Move the aerial away from the source of interference.

 

Replace the aerial cable with a coaxial cable, which is less

 

prone to interference.

Double picture (ghost)

Reposition the aerial.

 

Replace with an aerial with good directionality.

Snowy picture

Check the aerial connection and aim it correctly.

(image noise)

Replace or repair the aerial.

The TV channel changes

The channel will automatically be changed when the On Timer

suddenly

operates (see p.13).

The screen turns blue

Is the Blue Back set to ON ? (see p.15).

 

 

The following are normal occurrences and are not the result of TV malfunctions:

•When a still bright image (of a white dress, for example) appears on the screen, the image may be coloured. This problem occurs in all CRTs, and when the bright image disappears, the colouration also disappears.

•This TV is equipped with a microcomputer that may operate abnormally due to interference from external devices. If this happens, press the Main power button to turn the main power off and disconnect the power plug from the AC outlet. Then, reconnect the power plug to the AC outlet and press the Main power button again.

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Contents Remote control buttons Troubleshooting SpecificationsThank you for purchasing this JVC colour television # Volume -/+ buttons LocationsConnecting the aerial Connecting the aerial and external devicesConnecting the aerial and VCR Connecting the aerial and VCRConnecting other external devices HeadphonesConnecting the power cord Inserting batteries into the remote controlTurning your TV on Selecting the on-screen language Presetting TV stationsAuto Channel Preset You can select the language for the on-screen displayPress Menu -/+ to select the channel number Manual Channel PresetPress Volume -/+ to start searching for TV channelPress Menu / to select Manual CH Preset Press Menu -/+ SkipPress Menu / to select Skip If the sound is abnormal Basic operationIf the colour is abnormal Viewing Images from an External DeviceColour System Remote control buttons and functionsPicture Mode Sound SystemMuting Off TimerDisplay Eco SensorChannel Scan Return +When the time set for the On Timer function is reached Using the TV’s menusOn Timer InputVNR Video Noise Reduction Child LockAuto Shutoff Press Menu / to display the Menu 1 menu, then select VNRYou can adjust the picture as you like Picture AdjustmentTo cancel the Blue Back function, select OFF Blue BackAV-21ATG2 Using the button on the TVAV-21D10/AV-21DM10/AV-21DTG2/AV-21LT1/AV-21LTG1 AV-14FTG2/AV-20NTG2Operating menus Press Volume -/+ to turn the menu display offBasic operation To turn the sub-menu display offTroubleshooting Problem Check/ActionImportant Review all the instructions in this manual Specifications Broadcasting SystemsArea Country or Region System Colour Sound

AV-14FTG2, AV-14ATG2, AV-20NTG2, AV-21LT1, AV-21DTG2 specifications

JVC is a brand synonymous with innovative audio-visual technology, and their lineup of CRT televisions showcases this legacy. Models such as the AV-21DM10, AV-21ATG2, AV-21LTG1, AV-21DTG2, and AV-21LT1 exemplify JVC's commitment to quality and performance.

The JVC AV-21DM10 is designed for those who appreciate superior picture quality and sharp images. It comes equipped with a high-resolution screen that delivers vibrant colors and deep contrasts. The model features JVC's Advanced Picture Control technology, which enhances image clarity and reduces distortion, making it ideal for viewing a variety of content, from movies to sports.

Next, the AV-21ATG2 incorporates several advanced features aimed at improving user experience. This model includes an integrated teletext system that allows viewers to access up-to-date information easily. The AV-21ATG2 also boasts enhanced audio capabilities with built-in stereo sound, ensuring that viewers enjoy a rich audio experience in addition to stunning visuals.

The AV-21LTG1 stands out with its slim design, making it a perfect fit for modern living spaces. With its dynamic picture technology, this model offers exceptional brightness and contrast, elevating the viewing experience significantly. Additionally, the AV-21LTG1 features a multiple language menu, catering to a diverse audience and enhancing usability for non-native speakers.

Meanwhile, the AV-21DTG2 is particularly noteworthy for its multiple input options. Featuring both analog and digital inputs, this model is compatible with various external devices, including DVD players and gaming consoles. This model also integrates JVC's Dolby Surround technology, delivering an immersive sound experience that complements its impressive visuals.

Finally, the AV-21LT1 represents a fusion of style and functionality. This model comes with a robust build and a classic aesthetic, appealing to those who appreciate a traditional look in their home entertainment systems. With a strong focus on energy efficiency, the AV-21LT1 not only provides quality performance but also helps users save on electricity consumption.

All these models reflect JVC's dedication to enhancing the home viewing experience, blending technological innovation with user-friendly features. From advanced picture enhancement technologies to versatile connectivity options, JVC continues to lead the way in CRT television design, ensuring that viewers receive top-notch entertainment in their own homes.
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